Hoffman 401425 Model 1B Non-Vacuum Air Valve
Hoffman 401425 Model 1B Non-Vacuum Air Valve
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 401425 |
| Model Designation | Model 1B |
| Valve Type | Non-Vacuum Steam Air Valve |
Maintaining proper steam pressure and airflow is essential for the longevity of your heating system, and the Hoffman 401425 Model 1B air valve is engineered to provide reliable venting for single-pipe steam systems. This high-quality non-vacuum valve is designed to efficiently expel air from radiators during the heating cycle, ensuring that steam can circulate freely and evenly throughout your space.
This valve operates through a precision-engineered internal float mechanism that allows air to escape while automatically closing when steam reaches the vent. By preventing the leakage of steam and water, the 401425 ensures your system remains pressurized and energy-efficient, effectively reducing the noise and uneven heating associated with air-bound radiator units.
Key System Performance Baselines:
- Automatic Venting: Rapidly purges air from steam radiators for efficient system distribution.
- Positive Seal: Integrated thermostatic element closes tightly to prevent steam loss.
- Durable Build: Constructed to withstand the high-temperature demands of residential and light commercial steam heating environments.
⚠️ Application Profile: Recommended for use in single-pipe steam heating systems, including residential cast iron radiators, steam mains, and dry return lines where atmospheric venting is required.
